137581330 has 8 divisors (see below), whose sum is σ = 247646412. Its totient is φ = 55032528.

The previous prime is 137581321. The next prime is 137581343. The reversal of 137581330 is 33185731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 111703761 + 25877569 = 10569^2 + 5087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 137581292 and 137581301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6879057 + ... + 6879076.

Almost surely, 2^137581330 is an apocalyptic number.

137581330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137581330 is a deficient number, since it is larger than the sum of its proper divisors (110065082).

137581330 is a wasteful number, since it uses less digits than its factorization.

137581330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13758140.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 137581330 is about 11729.5068097512. The cubic root of 137581330 is about 516.2418017213.

The spelling of 137581330 in words is "one hundred thirty-seven million, five hundred eighty-one thousand, three hundred thirty".